/**  
 * All rights Reserved, Designed By www.tydic.com
 * @Title:  BeanTool.java   
 * @Package com.fast.common.tool
 * @Description:   
 * @author: yuyanan  
 * @date:   2018年9月25日   
 * @version V1.0 
 * @Copyright:  yuyanan
 * 
 */
package com.luci.common.tool;

import org.springframework.beans.BeansException;
import org.springframework.beans.FatalBeanException;
import org.springframework.util.Assert;

import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

/**
 * 
 * @author: yuyanan
 * @date: 2018年9月25日
 */
public abstract class BeanTool extends org.springframework.beans.BeanUtils
{
    
    public static void copyProperties(Object source, Object target)
        throws BeansException
    {
        Assert.notNull(source, "Source must not be null");
        Assert.notNull(target, "Target must not be null");
        Class<?> actualEditable = target.getClass();
        PropertyDescriptor[] targetPds = getPropertyDescriptors(actualEditable);
        for (PropertyDescriptor targetPd : targetPds)
        {
            if (targetPd.getWriteMethod() != null)
            {
                PropertyDescriptor sourcePd = getPropertyDescriptor(source.getClass(), targetPd.getName());
                if (sourcePd != null && sourcePd.getReadMethod() != null)
                {
                    try
                    {
                        Method readMethod = sourcePd.getReadMethod();
                        if (!Modifier.isPublic(readMethod.getDeclaringClass().getModifiers()))
                        {
                            readMethod.setAccessible(true);
                        }
                        Object value = readMethod.invoke(source);
                        // 这里判断以下value是否为空 当然这里也能进行一些特殊要求的处理 例如绑定时格式转换等等
                        if (value != null)
                        {
                            Method writeMethod = targetPd.getWriteMethod();
                            if (!Modifier.isPublic(writeMethod.getDeclaringClass().getModifiers()))
                            {
                                writeMethod.setAccessible(true);
                            }
                            writeMethod.invoke(target, value);
                        }
                    }
                    catch (Throwable ex)
                    {
                        throw new FatalBeanException("Could not copy properties from source to target", ex);
                    }
                }
            }
        }
    }
}
